xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_l2_api.h (revision 190cef3d)
1 /*
2  * Copyright (c) 2017-2018 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  *
29  */
30 
31 #ifndef __ECORE_L2_API_H__
32 #define __ECORE_L2_API_H__
33 
34 #include "ecore_status.h"
35 #include "ecore_sp_api.h"
36 #include "ecore_int_api.h"
37 
38 #ifndef __EXTRACT__LINUX__
39 enum ecore_rss_caps {
40 	ECORE_RSS_IPV4		= 0x1,
41 	ECORE_RSS_IPV6		= 0x2,
42 	ECORE_RSS_IPV4_TCP	= 0x4,
43 	ECORE_RSS_IPV6_TCP	= 0x8,
44 	ECORE_RSS_IPV4_UDP	= 0x10,
45 	ECORE_RSS_IPV6_UDP	= 0x20,
46 };
47 
48 /* Should be the same as ETH_RSS_IND_TABLE_ENTRIES_NUM */
49 #define ECORE_RSS_IND_TABLE_SIZE 128
50 #define ECORE_RSS_KEY_SIZE 10 /* size in 32b chunks */
51 
52 #define ECORE_MAX_PHC_DRIFT_PPB	291666666
53 
54 enum ecore_ptp_filter_type {
55 	ECORE_PTP_FILTER_NONE,
56 	ECORE_PTP_FILTER_ALL,
57 	ECORE_PTP_FILTER_V1_L4_EVENT,
58 	ECORE_PTP_FILTER_V1_L4_GEN,
59 	ECORE_PTP_FILTER_V2_L4_EVENT,
60 	ECORE_PTP_FILTER_V2_L4_GEN,
61 	ECORE_PTP_FILTER_V2_L2_EVENT,
62 	ECORE_PTP_FILTER_V2_L2_GEN,
63 	ECORE_PTP_FILTER_V2_EVENT,
64 	ECORE_PTP_FILTER_V2_GEN
65 };
66 
67 enum ecore_ptp_hwtstamp_tx_type {
68 	ECORE_PTP_HWTSTAMP_TX_OFF,
69 	ECORE_PTP_HWTSTAMP_TX_ON,
70 };
71 #endif
72 
73 #ifndef __EXTRACT__LINUX__
74 struct ecore_queue_start_common_params {
75 	/* Should always be relative to entity sending this. */
76 	u8 vport_id;
77 	u16 queue_id;
78 
79 	/* Relative, but relevant only for PFs */
80 	u8 stats_id;
81 
82 	struct ecore_sb_info *p_sb;
83 	u8 sb_idx;
84 
85 	u8 tc;
86 };
87 
88 struct ecore_rxq_start_ret_params {
89 	void OSAL_IOMEM *p_prod;
90 	void *p_handle;
91 };
92 
93 struct ecore_txq_start_ret_params {
94 	void OSAL_IOMEM *p_doorbell;
95 	void *p_handle;
96 };
97 #endif
98 
99 struct ecore_rss_params {
100 	u8 update_rss_config;
101 	u8 rss_enable;
102 	u8 rss_eng_id;
103 	u8 update_rss_capabilities;
104 	u8 update_rss_ind_table;
105 	u8 update_rss_key;
106 	u8 rss_caps;
107 	u8 rss_table_size_log; /* The table size is 2 ^ rss_table_size_log */
108 
109 	/* Indirection table consist of rx queue handles */
110 	void *rss_ind_table[ECORE_RSS_IND_TABLE_SIZE];
111 	u32 rss_key[ECORE_RSS_KEY_SIZE];
112 };
113 
114 struct ecore_sge_tpa_params {
115 	u8 max_buffers_per_cqe;
116 
117 	u8 update_tpa_en_flg;
118 	u8 tpa_ipv4_en_flg;
119 	u8 tpa_ipv6_en_flg;
120 	u8 tpa_ipv4_tunn_en_flg;
121 	u8 tpa_ipv6_tunn_en_flg;
122 
123 	u8 update_tpa_param_flg;
124 	u8 tpa_pkt_split_flg;
125 	u8 tpa_hdr_data_split_flg;
126 	u8 tpa_gro_consistent_flg;
127 	u8 tpa_max_aggs_num;
128 	u16 tpa_max_size;
129 	u16 tpa_min_size_to_start;
130 	u16 tpa_min_size_to_cont;
131 };
132 
133 enum ecore_filter_opcode {
134 	ECORE_FILTER_ADD,
135 	ECORE_FILTER_REMOVE,
136 	ECORE_FILTER_MOVE,
137 	ECORE_FILTER_REPLACE, /* Delete all MACs and add new one instead */
138 	ECORE_FILTER_FLUSH, /* Removes all filters */
139 };
140 
141 enum ecore_filter_ucast_type {
142 	ECORE_FILTER_MAC,
143 	ECORE_FILTER_VLAN,
144 	ECORE_FILTER_MAC_VLAN,
145 	ECORE_FILTER_INNER_MAC,
146 	ECORE_FILTER_INNER_VLAN,
147 	ECORE_FILTER_INNER_PAIR,
148 	ECORE_FILTER_INNER_MAC_VNI_PAIR,
149 	ECORE_FILTER_MAC_VNI_PAIR,
150 	ECORE_FILTER_VNI,
151 };
152 
153 struct ecore_filter_ucast {
154 	enum ecore_filter_opcode opcode;
155 	enum ecore_filter_ucast_type type;
156 	u8 is_rx_filter;
157 	u8 is_tx_filter;
158 	u8 vport_to_add_to;
159 	u8 vport_to_remove_from;
160 	unsigned char mac[ETH_ALEN];
161 	u8 assert_on_error;
162 	u16 vlan;
163 	u32 vni;
164 };
165 
166 struct ecore_filter_mcast {
167 	/* MOVE is not supported for multicast */
168 	enum ecore_filter_opcode opcode;
169 	u8 vport_to_add_to;
170 	u8 vport_to_remove_from;
171 	u8	num_mc_addrs;
172 #define ECORE_MAX_MC_ADDRS	64
173 	unsigned char mac[ECORE_MAX_MC_ADDRS][ETH_ALEN];
174 };
175 
176 struct ecore_filter_accept_flags {
177 	u8 update_rx_mode_config;
178 	u8 update_tx_mode_config;
179 	u8 rx_accept_filter;
180 	u8 tx_accept_filter;
181 #define	ECORE_ACCEPT_NONE		0x01
182 #define ECORE_ACCEPT_UCAST_MATCHED	0x02
183 #define ECORE_ACCEPT_UCAST_UNMATCHED	0x04
184 #define ECORE_ACCEPT_MCAST_MATCHED	0x08
185 #define ECORE_ACCEPT_MCAST_UNMATCHED	0x10
186 #define ECORE_ACCEPT_BCAST		0x20
187 };
188 
189 #ifndef __EXTRACT__LINUX__
190 enum ecore_filter_config_mode {
191 	ECORE_FILTER_CONFIG_MODE_DISABLE,
192 	ECORE_FILTER_CONFIG_MODE_5_TUPLE,
193 	ECORE_FILTER_CONFIG_MODE_L4_PORT,
194 	ECORE_FILTER_CONFIG_MODE_IP_DEST,
195 };
196 #endif
197 
198 struct ecore_arfs_config_params {
199 	bool tcp;
200 	bool udp;
201 	bool ipv4;
202 	bool ipv6;
203 	enum ecore_filter_config_mode mode;
204 };
205 
206 /* Add / remove / move / remove-all unicast MAC-VLAN filters.
207  * FW will assert in the following cases, so driver should take care...:
208  * 1. Adding a filter to a full table.
209  * 2. Adding a filter which already exists on that vport.
210  * 3. Removing a filter which doesn't exist.
211  */
212 
213 enum _ecore_status_t
214 ecore_filter_ucast_cmd(struct ecore_dev *p_dev,
215 		       struct ecore_filter_ucast *p_filter_cmd,
216 		       enum spq_mode comp_mode,
217 		       struct ecore_spq_comp_cb *p_comp_data);
218 
219 /* Add / remove / move multicast MAC filters. */
220 enum _ecore_status_t
221 ecore_filter_mcast_cmd(struct ecore_dev *p_dev,
222 		       struct ecore_filter_mcast *p_filter_cmd,
223 		       enum spq_mode comp_mode,
224 		       struct ecore_spq_comp_cb *p_comp_data);
225 
226 /* Set "accept" filters */
227 enum _ecore_status_t
228 ecore_filter_accept_cmd(
229 	struct ecore_dev		 *p_dev,
230 	u8				 vport,
231 	struct ecore_filter_accept_flags accept_flags,
232 	u8				 update_accept_any_vlan,
233 	u8				 accept_any_vlan,
234 	enum spq_mode			 comp_mode,
235 	struct ecore_spq_comp_cb	 *p_comp_data);
236 
237 /**
238  * @brief ecore_eth_rx_queue_start - RX Queue Start Ramrod
239  *
240  * This ramrod initializes an RX Queue for a VPort. An Assert is generated if
241  * the VPort ID is not currently initialized.
242  *
243  * @param p_hwfn
244  * @param opaque_fid
245  * @p_params			Inputs; Relative for PF [SB being an exception]
246  * @param bd_max_bytes 		Maximum bytes that can be placed on a BD
247  * @param bd_chain_phys_addr	Physical address of BDs for receive.
248  * @param cqe_pbl_addr		Physical address of the CQE PBL Table.
249  * @param cqe_pbl_size 		Size of the CQE PBL Table
250  * @param p_ret_params		Pointed struct to be filled with outputs.
251  *
252  * @return enum _ecore_status_t
253  */
254 enum _ecore_status_t
255 ecore_eth_rx_queue_start(struct ecore_hwfn *p_hwfn,
256 			 u16 opaque_fid,
257 			 struct ecore_queue_start_common_params *p_params,
258 			 u16 bd_max_bytes,
259 			 dma_addr_t bd_chain_phys_addr,
260 			 dma_addr_t cqe_pbl_addr,
261 			 u16 cqe_pbl_size,
262 			 struct ecore_rxq_start_ret_params *p_ret_params);
263 
264 /**
265  * @brief ecore_eth_rx_queue_stop - This ramrod closes an Rx queue
266  *
267  * @param p_hwfn
268  * @param p_rxq			Handler of queue to close
269  * @param eq_completion_only	If True completion will be on
270  *				EQe, if False completion will be
271  *				on EQe if p_hwfn opaque
272  *				different from the RXQ opaque
273  *				otherwise on CQe.
274  * @param cqe_completion	If True completion will be
275  *				recieve on CQe.
276  * @return enum _ecore_status_t
277  */
278 enum _ecore_status_t
279 ecore_eth_rx_queue_stop(struct ecore_hwfn *p_hwfn,
280 			void *p_rxq,
281 			bool eq_completion_only,
282 			bool cqe_completion);
283 
284 /**
285  * @brief - TX Queue Start Ramrod
286  *
287  * This ramrod initializes a TX Queue for a VPort. An Assert is generated if
288  * the VPort is not currently initialized.
289  *
290  * @param p_hwfn
291  * @param opaque_fid
292  * @p_params
293  * @param tc			traffic class to use with this L2 txq
294  * @param pbl_addr		address of the pbl array
295  * @param pbl_size 		number of entries in pbl
296  * @oaram p_ret_params		Pointer to fill the return parameters in.
297  *
298  * @return enum _ecore_status_t
299  */
300 enum _ecore_status_t
301 ecore_eth_tx_queue_start(struct ecore_hwfn *p_hwfn,
302 			 u16 opaque_fid,
303 			 struct ecore_queue_start_common_params *p_params,
304 			 u8 tc,
305 			 dma_addr_t pbl_addr,
306 			 u16 pbl_size,
307 			 struct ecore_txq_start_ret_params *p_ret_params);
308 
309 /**
310  * @brief ecore_eth_tx_queue_stop - closes a Tx queue
311  *
312  * @param p_hwfn
313  * @param p_txq - handle to Tx queue needed to be closed
314  *
315  * @return enum _ecore_status_t
316  */
317 enum _ecore_status_t ecore_eth_tx_queue_stop(struct ecore_hwfn *p_hwfn,
318 					     void *p_txq);
319 
320 enum ecore_tpa_mode	{
321 	ECORE_TPA_MODE_NONE,
322 	ECORE_TPA_MODE_RSC,
323 	ECORE_TPA_MODE_GRO,
324 	ECORE_TPA_MODE_MAX
325 };
326 
327 struct ecore_sp_vport_start_params {
328 	enum ecore_tpa_mode tpa_mode;
329 	bool remove_inner_vlan;	/* Inner VLAN removal is enabled */
330 	bool tx_switching;	/* Vport supports tx-switching */
331 	bool handle_ptp_pkts;	/* Handle PTP packets */
332 	bool only_untagged;	/* Untagged pkt control */
333 	bool drop_ttl0;		/* Drop packets with TTL = 0 */
334 	u8 max_buffers_per_cqe;
335 	u32 concrete_fid;
336 	u16 opaque_fid;
337 	u8 vport_id;		/* VPORT ID */
338 	u16 mtu;		/* VPORT MTU */
339 	bool zero_placement_offset;
340 	bool check_mac;
341 	bool check_ethtype;
342 
343 	/* Strict behavior on transmission errors */
344 	bool b_err_illegal_vlan_mode;
345 	bool b_err_illegal_inband_mode;
346 	bool b_err_vlan_insert_with_inband;
347 	bool b_err_small_pkt;
348 	bool b_err_big_pkt;
349 	bool b_err_anti_spoof;
350 	bool b_err_ctrl_frame;
351 };
352 
353 /**
354  * @brief ecore_sp_vport_start -
355  *
356  * This ramrod initializes a VPort. An Assert if generated if the Function ID
357  * of the VPort is not enabled.
358  *
359  * @param p_hwfn
360  * @param p_params		VPORT start params
361  *
362  * @return enum _ecore_status_t
363  */
364 enum _ecore_status_t
365 ecore_sp_vport_start(struct ecore_hwfn *p_hwfn,
366 		     struct ecore_sp_vport_start_params *p_params);
367 
368 struct ecore_sp_vport_update_params {
369 	u16			opaque_fid;
370 	u8			vport_id;
371 	u8			update_vport_active_rx_flg;
372 	u8			vport_active_rx_flg;
373 	u8			update_vport_active_tx_flg;
374 	u8			vport_active_tx_flg;
375 	u8			update_inner_vlan_removal_flg;
376 	u8			inner_vlan_removal_flg;
377 	u8			silent_vlan_removal_flg;
378 	u8			update_default_vlan_enable_flg;
379 	u8			default_vlan_enable_flg;
380 	u8			update_default_vlan_flg;
381 	u16			default_vlan;
382 	u8			update_tx_switching_flg;
383 	u8			tx_switching_flg;
384 	u8			update_approx_mcast_flg;
385 	u8			update_anti_spoofing_en_flg;
386 	u8			anti_spoofing_en;
387 	u8			update_accept_any_vlan_flg;
388 	u8			accept_any_vlan;
389 	u32			bins[8];
390 	struct ecore_rss_params	*rss_params;
391 	struct ecore_filter_accept_flags accept_flags;
392 	struct ecore_sge_tpa_params *sge_tpa_params;
393 };
394 
395 /**
396  * @brief ecore_sp_vport_update -
397  *
398  * This ramrod updates the parameters of the VPort. Every field can be updated
399  * independently, according to flags.
400  *
401  * This ramrod is also used to set the VPort state to active after creation.
402  * An Assert is generated if the VPort does not contain an RX queue.
403  *
404  * @param p_hwfn
405  * @param p_params
406  *
407  * @return enum _ecore_status_t
408  */
409 enum _ecore_status_t
410 ecore_sp_vport_update(struct ecore_hwfn *p_hwfn,
411 		      struct ecore_sp_vport_update_params *p_params,
412 		      enum spq_mode comp_mode,
413 		      struct ecore_spq_comp_cb *p_comp_data);
414 /**
415  * @brief ecore_sp_vport_stop -
416  *
417  * This ramrod closes a VPort after all its RX and TX queues are terminated.
418  * An Assert is generated if any queues are left open.
419  *
420  * @param p_hwfn
421  * @param opaque_fid
422  * @param vport_id VPort ID
423  *
424  * @return enum _ecore_status_t
425  */
426 enum _ecore_status_t ecore_sp_vport_stop(struct ecore_hwfn *p_hwfn,
427 					 u16 opaque_fid,
428 					 u8 vport_id);
429 
430 enum _ecore_status_t
431 ecore_sp_eth_filter_ucast(struct ecore_hwfn *p_hwfn,
432 			  u16 opaque_fid,
433 			  struct ecore_filter_ucast *p_filter_cmd,
434 			  enum spq_mode comp_mode,
435 			  struct ecore_spq_comp_cb *p_comp_data);
436 
437 /**
438  * @brief ecore_sp_rx_eth_queues_update -
439  *
440  * This ramrod updates an RX queue. It is used for setting the active state
441  * of the queue and updating the TPA and SGE parameters.
442  *
443  * @note Final phase API.
444  *
445  * @param p_hwfn
446  * @param pp_rxq_handlers	An array of queue handlers to be updated.
447  * @param num_rxqs              number of queues to update.
448  * @param complete_cqe_flg	Post completion to the CQE Ring if set
449  * @param complete_event_flg	Post completion to the Event Ring if set
450  * @param comp_mode
451  * @param p_comp_data
452  *
453  * @return enum _ecore_status_t
454  */
455 
456 enum _ecore_status_t
457 ecore_sp_eth_rx_queues_update(struct ecore_hwfn *p_hwfn,
458 			      void **pp_rxq_handlers,
459 			      u8 num_rxqs,
460 			      u8 complete_cqe_flg,
461 			      u8 complete_event_flg,
462 			      enum spq_mode comp_mode,
463 			      struct ecore_spq_comp_cb *p_comp_data);
464 
465 /**
466  * @brief ecore_sp_eth_rx_queues_set_default -
467  *
468  * This ramrod sets RSS RX queue as default one.
469  *
470  * @note Final phase API.
471  *
472  * @param p_hwfn
473  * @param p_rxq_handlers	queue handlers to be updated.
474  * @param comp_mode
475  * @param p_comp_data
476  *
477  * @return enum _ecore_status_t
478  */
479 
480 enum _ecore_status_t
481 ecore_sp_eth_rx_queues_set_default(struct ecore_hwfn *p_hwfn,
482 				   void *p_rxq_handler,
483 				   enum spq_mode comp_mode,
484 				   struct ecore_spq_comp_cb *p_comp_data);
485 
486 void __ecore_get_vport_stats(struct ecore_hwfn *p_hwfn,
487 			     struct ecore_ptt *p_ptt,
488 			     struct ecore_eth_stats *stats,
489 			     u16 statistics_bin, bool b_get_port_stats);
490 
491 void ecore_get_vport_stats(struct ecore_dev *p_dev,
492 			   struct ecore_eth_stats *stats);
493 
494 void ecore_reset_vport_stats(struct ecore_dev *p_dev);
495 
496 /**
497  *@brief ecore_arfs_mode_configure -
498  *
499  *Enable or disable rfs mode. It must accept atleast one of tcp or udp true
500  *and atleast one of ipv4 or ipv6 true to enable rfs mode.
501  *
502  *@param p_hwfn
503  *@param p_ptt
504  *@param p_cfg_params		arfs mode configuration parameters.
505  *
506  */
507 void ecore_arfs_mode_configure(struct ecore_hwfn *p_hwfn,
508 			       struct ecore_ptt *p_ptt,
509 			       struct ecore_arfs_config_params *p_cfg_params);
510 
511 #ifndef __EXTRACT__LINUX__
512 struct ecore_ntuple_filter_params {
513 	/* Physically mapped address containing header of buffer to be used
514 	 * as filter.
515 	 */
516 	dma_addr_t addr;
517 
518 	/* Length of header in bytes */
519 	u16 length;
520 
521 	/* Relative queue-id to receive classified packet */
522 #define ECORE_RFS_NTUPLE_QID_RSS ((u16)-1)
523 	u16 qid;
524 
525 	/* Identifier can either be according to vport-id or vfid */
526 	bool b_is_vf;
527 	u8 vport_id;
528 	u8 vf_id;
529 
530 	/* true iff this filter is to be added. Else to be removed */
531 	bool b_is_add;
532 };
533 #endif
534 
535 /**
536  * @brief - ecore_configure_rfs_ntuple_filter
537  *
538  * This ramrod should be used to add or remove arfs hw filter
539  *
540  * @params p_hwfn
541  * @params p_cb		Used for ECORE_SPQ_MODE_CB,where client would initialize
542  *			it with cookie and callback function address, if not
543  *			using this mode then client must pass NULL.
544  * @params p_params
545  */
546 enum _ecore_status_t
547 ecore_configure_rfs_ntuple_filter(struct ecore_hwfn *p_hwfn,
548 				  struct ecore_spq_comp_cb *p_cb,
549 				  struct ecore_ntuple_filter_params *p_params);
550 #endif
551